Input: xpad - fix resource reclaim in xpad_probe error path
Properly free the resources in error path by the reverse order of resource allocation. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Родитель
6ff92a6db2
Коммит
161feb2417
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@ -760,8 +760,9 @@ static void xpad_close(struct input_dev *dev)
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{
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struct usb_xpad *xpad = input_get_drvdata(dev);
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if(xpad->xtype != XTYPE_XBOX360W)
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if (xpad->xtype != XTYPE_XBOX360W)
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usb_kill_urb(xpad->irq_in);
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xpad_stop_output(xpad);
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}
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@ -896,15 +897,15 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
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error = xpad_init_output(intf, xpad);
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if (error)
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goto fail2;
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goto fail3;
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error = xpad_init_ff(xpad);
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if (error)
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goto fail3;
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goto fail4;
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error = xpad_led_probe(xpad);
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if (error)
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goto fail3;
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goto fail5;
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ep_irq_in = &intf->cur_altsetting->endpoint[0].desc;
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usb_fill_int_urb(xpad->irq_in, udev,
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@ -916,7 +917,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
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error = input_register_device(xpad->dev);
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if (error)
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goto fail4;
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goto fail6;
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usb_set_intfdata(intf, xpad);
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@ -931,7 +932,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
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xpad->irq_in->dev = xpad->udev;
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error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
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if (error)
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goto fail4;
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goto fail7;
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/*
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* Setup the message to set the LEDs on the
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@ -940,13 +941,13 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
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xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL);
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if (!xpad->bulk_out) {
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error = -ENOMEM;
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goto fail5;
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goto fail8;
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}
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xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL);
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if (!xpad->bdata) {
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error = -ENOMEM;
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goto fail6;
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goto fail9;
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}
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xpad->bdata[2] = 0x08;
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@ -972,10 +973,15 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
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return 0;
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fail6: usb_free_urb(xpad->bulk_out);
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fail5: usb_kill_urb(xpad->irq_in);
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fail4: usb_free_urb(xpad->irq_in);
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fail3: xpad_deinit_output(xpad);
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fail9: usb_free_urb(xpad->bulk_out);
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fail8: usb_kill_urb(xpad->irq_in);
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fail7: input_unregister_device(input_dev);
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input_dev = NULL;
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fail6: xpad_led_disconnect(xpad);
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fail5: if (input_dev)
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input_ff_destroy(input_dev);
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fail4: xpad_deinit_output(xpad);
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fail3: usb_free_urb(xpad->irq_in);
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fail2: usb_free_coherent(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
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fail1: input_free_device(input_dev);
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kfree(xpad);
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